Finding the Fourth Proportional to 2,890,192.08, 3,988,465.32 and 1,601,116.08
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Solution
The fourth proportional to 2,890,192.08, 3,988,465.32 and 1,601,116.08 is: 2,209,540.33
Step by Step Solution
- Step 1: Write the proportion equation
2,890,192.08 : 3,988,465.32 = 1,601,116.08 : x - Step 2: Convert to fraction form
2,890,192.08/3,988,465.32 = 1,601,116.08/x - Step 3: Cross multiply
2,890,192.08x = 3,988,465.32 × 1,601,116.08 - Step 4: Simplify right side
2,890,192.08x = 6,385,995,958,374.35 - Step 5: Solve for x
x = 6,385,995,958,374.35/2,890,192.08 - Step 6: Final answer
x = 2,209,540.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.